MartinLogan Depth I User Manual
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MartinLogan Depth I User Manual

Martinlogan depth i: user guide
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Summary of Contents for MartinLogan Depth I

  • Page 1 e p t h ’...
  • Page 2 WARNING! Do not use your Depth i loudspeakers outside of the country of original sale—voltage requirements vary by country. Improper voltage can cause damage that will be potentially expensive to repair. The Depth i is shipped to authorized MartinLogan distributors with the correct power supply for use in the country of intended sale.
  • Page 3 Thank you—to you the MartinLogan owner, for loving what we do, for making it possible for us to do what we love.

  • Page 4: Table Of Contents

    MartinLogan Exclusives . . . . . . . . . . . . . . . . . . .

  • Page 5: Installation In Brief

    We know you are eager to hear your new MartinLogan subwoofer, so this section is provided to allow fast and easy set up. Once you have your subwoofer operation- al, please take the time to read, in depth, the rest of the information in this manual.

  • Page 6: Controls And Connections

    Example: The MartinLogan Vista’s lowest frequency response is 43Hz. 70% of 43Hz equals 30.1, so you should set the Depth i’s low pass filter to 30Hz. Remember, this is a general rule. We advise that once you try the recommended setting using the formula above, you should try the surrounding settings to see which sounds best.
  • Page 7 Power The Auto/On/Standby switch controls Depth i’s energy sav- ing feature. When set to 'Auto', the Depth i will turn on when a music signal is detected and off when there is none. The 'On' setting prevents the Depth i from entering energy saving mode.

  • Page 8: Rear Connection Panel

    Controls and Connections Figure 3 . Rear connection panel. Status Light The Depth i is equipped with a multi-color LED to indicate the current status of the woofers. The following list explains the meaning of the different colors: No color: No power.

  • Page 9: 2-Channel Mode

    3 Try the phase control in different settings until the best blending is obtained. If you are using the subwoofer to augment other MartinLogan products, we suggest start- ing with the phase set at 90°. 4 If you have completed steps 1–3 and still have weak or boomy bass, adjust the 25Hz Level knobs to compen- sate for these anomalies.

  • Page 10: Multi-Channel Mode

    2 Try the phase control in different settings until the best blending is obtained. If you are using the subwoofer to augment other MartinLogan products, we suggest start- ing with the phase set at 90°. 3 If you have completed steps 1–2 and still have weak or boomy bass, adjust the 25Hz Level knob to com- pensate for these anomalies.

  • Page 11: 2-Channel/Multi-Channel Mode

    4 Try the phase control in different settings until the best blending is obtained. If you are augmenting MartinLogan loudspeakers, we suggest you start with Phase set at 90°. 5 Use the bass management section of your processor’s speaker setup to set the subwoofer level at an appro- priate level.

  • Page 12: 2-Channel Mode Using Speaker Level Inputs

    2-Channel Mode Using Speaker Level Inputs This setup is recommended if your subwoofer will be used in a 2-channel only system with full-range front loudspeakers. When a signal is connected to the subwoofer’s Left In/Right In subwoofer’s Low Pass Filter control is active.

  • Page 13: 2-Channel Mode With 2-Channel Output

    2-Channel Mode With 2-Channel Output This setup is recommended if your subwoofer will be used in a 2-channel only system. Signal Connection (see figure 11): 1 Connect the left out/right out from your preamplifier to the Left In/Right In of the subwoofer. Use quality RCA interconnects.

  • Page 14: Sub Out-Using Multiple Subwoofers

    You can always return the controls to their previous settings. Controls and Connections Figure 13 . Using multiple Depth i. LFE option. Primary sub on right. Additional sub on left. Figure 14 . Using multiple Depth i. Right/Left option.. Primary sub on right.

  • Page 15: Ac Power Connection

    Our custom made woofers require approximately 50 hours of break-in at moderate listening levels before their optimal performance occurs. This will factor in on any critical listening and judgment. Figure 15 . Depth i’s Master Power switch, Fuse, and AC Power receptacle. Controls and Connections...

  • Page 16: Placement

    Summit speakers as front channels, MartinLogan Stage as the center chan- nel, MartinLogan Script i as side surround (effects) channels. Note the corner placement of the Depth i at the front of the listening room. Figure 17 . Placing the Depth in a cabinet requires a minimum of three...

  • Page 17: Room Acoustics

    Terminology Standing Waves Sound coming from a subwoofer bounces around in a room until a pattern emerges—this is called a standing wave. Typically, this is only a problem with frequencies below 100Hz. When this happens different parts of your room experience either an excess or a lack of bass.

  • Page 18: Solid Footing

    The feet that attach to the bottom of the Depth i use a common Spike Installation Instructions: 1 On a soft, padded surface, carefully lay your subwoofer on its side to gain access to the bottom.

  • Page 19: Home Theater

    Home theater is a complex purchase and we recommend that you consult your local MartinLogan dealer, who is well versed in this subject. Each piece of a surround system can be purchased sepa- rately.

  • Page 20: Martinlogan Exclusives

    Statement™ E2 system, BalancedForce uses two or more drivers mounted at oppos- ing angles. The Depth i's 3 drivers, spaced 120 degrees apart, operate in exact opposition, resulting in maximum cancellation delivering the ideal—pure bass energy with a...

  • Page 21: Frequently Asked Questions & Troubleshooting

    • Check all interconnecting cables. • Make sure the level control is not turned down. • Turn off and unplug the Depth i and check the fuse near the AC power cord receptacle on the back. If the fuse has blown, replace the bad fuse with a matching T 4A H 250V fuse (T 2A L H 250V if you are in a region using 230v–240v current).

  • Page 22: Dimensioned Drawings

    ImensIonal rawIngs Plan View (Top) Front Elevation Back Elevation Side Elevation Dimensional Drawings...

  • Page 23: General Information

    If this is the case, please contact your authorized MartinLogan dealer. Serial Number Depth i’s serial number is located near the bottom of the backplate. Each individual unit has a unique serial number. Service In the rare event that your MartinLogan product should require service please contact the dealer from whom the product was purchased.

  • Page 24: Glossary Of Audio Terms

    lossary of udIo AC . Abbreviation for alternating current. Active crossover . Uses active devices (transistors, IC’s, tubes) and some form of power supply to operate. Amplitude . The extreme range of a signal. Usually measured from the average to the extreme. Arc .
  • Page 25 Inductance . The property of an electrical circuit by which a varying current in it produces a varying magnetic field that introduces voltages in the same circuit or in a nearby circuit. It is measured in henrys. Inductor . A device designed primarily to introduce induc- tance into an electrical circuit.

  • Page 26: Notes

    otes Notes...
  • Page 27 otes Notes...
  • Page 28 WARNING! Do not use your Depth i loudspeakers outside of the country of original sale—voltage requirements vary by country. Improper voltage can cause damage that will be potentially expensive to repair. The Depth i is shipped to authorized MartinLogan distributors with the correct power supply for use in the country of intended sale.

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